#HappyBirthdayPriyankaGandhi trended with 6,340 tweets.
Punjab Chief Minister Capt Amarinder Singh tweeted a picture of Priyanka and wrote: "Happy birthday dear Priyanka Gandhi. May God bless you with a long, healthy and happy life. It's inspiring to see you fighting for the good of the country."
His Rajasthan counterpart Ashok Gehlot tweeted: "Happy birthday Priyanka Gandhi ji. Wish you good health, happiness and success."
Wishing Priyanka Gandhi a long life, veteran actor Shatrughan Sinha said: "Happy birthday wishes to the bold, beautiful, courageous #priyankagandhivadra. She is a wonderful daughter, loving sister, super mom & a great wife. May you continue to work selflessly towards your commitments & shine in every field of life. Wishing you peace, happiness & healthy long life ahead."
"My best wishes to @INCIndia General Secretary @priyankagandhi ji on her birthday. May you continue to lead with determination and compassion. #PriyankaGandhiVadra," tweeted Congress leader Jitin Prasada.
Former Chief Minister of Maharashtra, Ashok Chavan wrote: "Best wishes to Congress General Secretary @priyankagandhi Ji on her birthday. Wishing her a lot of success and great health in the years to come."
Maharashtra Cabinet Minister Nitin Raut said: "I extend my heartiest wishes to #PriyankaGandhiVadra ji on her birthday. Her energy, dedication and determination are a source of great motivation.
May @priyankagandhi ji be blessed with happiness!"
A woman user posted a picture of the Congress leader and tweeted: "Happy birthday to my inspiration. May God bless you with lots of joy and happiness. #HappyBirthdayPriyankaGandhi."
"Happy birthday to you @priyankagandhi ji. You are the future of India," said another supporter.
"#HappyBirthdayPriyankaGandhi. Wishing you a happy birthday Priyanka Gandhi ma'am."
"Happy birthday to people's favourite leader. Make Congress strong," read a post.
Another user tweeted: "Wishing a very happy birthday to our beloved leader Smt @priyankagandhi. Always stay blessed and happy."
"Happy returns of the day @priyankagandhi ji. Rise & shine! The 'perfect leader' who is a brave challenger against fascism, injustice & communalism; a compassionate companion who stands for the poor, downtrodden & the marginalized people."
( With inputs from IANS )